EC > GATE 2019 > Magnetostatics
Two identical copper wires W1 and W2, placed in parallel as shown in the figure, carry currents I and 2I, respectively, in opposite directions. If the two wires are separated by a distance of 4r, then the magnitude of the magnetic field B between the wires at a distance r from W1 is
A
μ0I/(6πr)
B
6μ0I/(5πr)
C
5μ0I/(6πr)
D
μ02I2/(2πr2)

Correct : c

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magnetic field parallel wires GATE EC 2019 copper wires magnetic field parallel wires magnetic field magnetic field calculation GATE electromagnetic wire magnetic field GATE electromagnetic theory magnetic field equation

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